update classes

reversion_compare/compare.py

@@ -24,7 +24,7 @@
 
 
 @python_2_unicode_compatible
-class FieldVersionDoesNotExist(object):
+class FieldVersionDoesNotExist:
     """
     Sentinel object to handle missing fields
     """
@@ -36,7 +36,7 @@ def __str__(self):
 DOES_NOT_EXIST = FieldVersionDoesNotExist()
 
 
-class CompareObject(object):
+class CompareObject:
     def __init__(self, field, field_name, obj, version_record, follow):
         self.field = field
         self.field_name = field_name
@@ -250,7 +250,7 @@ def debug(self):  # pragma: no cover
             logger.debug(item)
 
 
-class CompareObjects(object):
+class CompareObjects:
     def __init__(self, field, field_name, obj, version1, version2, is_reversed):
         self.field = field
         self.field_name = field_name

reversion_compare/mixins.py

@@ -16,7 +16,7 @@
 from reversion_compare.compare import CompareObjects
 
 
-class CompareMixin(object):
+class CompareMixin:
     """A mixin to add comparison capabilities to your views"""
 
     # list/tuple of field names for the compare view. Set to None for all existing fields
@@ -152,7 +152,7 @@ def fallback_compare(self, obj_compare):
         return html
 
 
-class CompareMethodsMixin(object):
+class CompareMethodsMixin:
     """A mixin to add prepared compare methods."""
 
     def generic_add_remove(self, raw_value1, raw_value2, value1, value2):

reversion_compare_tests/utils/fixtures.py

@@ -49,7 +49,7 @@
 )
 
 
-class Fixtures(object):
+class Fixtures:
     """
     Collection of all test data creation method.
     This will be also used from external scripts, too!